1421132354444 has 48 divisors (see below), whose sum is σ = 2719672091136. Its totient is φ = 644398286400.

The previous prime is 1421132354431. The next prime is 1421132354479. The reversal of 1421132354444 is 4444532311241.

It is a junction number, because it is equal to n+sod(n) for n = 1421132354398 and 1421132354407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108451997 + ... + 108465099.

It is an arithmetic number, because the mean of its divisors is an integer number (56659835232).

Almost surely, 2^{1421132354444} is an apocalyptic number.

It is an amenable number.

1421132354444 is a deficient number, since it is larger than the sum of its proper divisors (1298539736692).

1421132354444 is a wasteful number, since it uses less digits than its factorization.

1421132354444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18926 (or 18924 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

Adding to 1421132354444 its reverse (4444532311241), we get a palindrome (5865664665685).

The spelling of 1421132354444 in words is "one trillion, four hundred twenty-one billion, one hundred thirty-two million, three hundred fifty-four thousand, four hundred forty-four".